It takes 4 3/4 hours to print some letters when 7 printers are used. Work out the time taken to print the letters when 3 printers are used.
Give your answer in hours and minutes.​

(write as unit rate) 12 meters in 2.8 seconds =

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

The paint recipe also calls for 1/4 cup of food coloring. tyler says mrs.mcglashan will also need 6 cups of food coloring. do u agree or disagree? explain.